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3 years ago

6

What is the answer to 7/10k -1/10k=1/2k+1

1 answer:

joja [24]3 years ago

7 0

The answer should be k=10
by simplifying both sides of the equation then isolating the variable.

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A school debate team has 4 girls and 6 boys. A total of 3 of the team members will be chosen to participate in the district deba

NeTakaya

The number of all possible 3-person groups
${10 \choose 3}=\dfrac{10!}{3!7!}=\dfrac{8\cdot9\cdot10}{6}=120$

The number of all possible groups consisting of 1 girl and 2 boys
$4\cdot{6\choose 2}=4\cdot\dfrac{6!}{2!4!}=4\cdot\dfrac{5\cdot6}{2}=60$

The probability is $\dfrac{60}{120}=\dfrac{1}{2}$

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3 years ago

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siniylev [52]

3:1?

you can simplify 33/11 to 3/1

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Olenka [21]

Answer:

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Step-by-step explanation:less than

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4 years ago

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After the car payment is deducted, Michael take home pay will be $3060 per month. If his monthly car payment is 15% of his earni

Andrew [12]

Answer:

Earnings current month of Michale = 3600

Step-by-step explanation:

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His take home pay = 85

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Hence if 3060 is take home pay earning = ?

This is a question of direct variation since if take home pay increases total earnings also increase.

So earnings = $\frac{3060*100}{85} \\=3600$

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5 0

3 years ago

......................

mars1129 [50]

Answer:

23/1 or 23 is the area.

Step-by-step explanation:

in the photo below

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